CVE-2026-66839 - Vulnerability Details

- Authenticated Arbitrary Code Execution via Unquoted Search Path in NetKids iMark

Description

NetKids iMark, provided by Integrated Systems Technologies, Inc., contains an Unquoted Search Path or Element vulnerability (CWE-428). An authenticated attacker may exploit this vulnerability to execute arbitrary code with SYSTEM privileges.

Published: 2026-08-05

Score: 8.4 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Integrated Systems Technologies, Inc.

NetKids iMark

unaffected

Version	Status	Constraints
`0`	affected	≤ V5.2.5.0

No data.

Vendor Product Confidence Versions

Integrated Systems Technologies, Inc.

Netkids Imark

100%

Version	Status	Scheme	Platform
`[0,V5.2.5.0]`	affected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00135.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://jvn.jp/en/jp/JVN28045338/
https://www.istinc.co.jp/dl/jpc/%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%E3%81%AE%E5%AE%9F%E8%A1%8C%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%83%91%E3%82%B9%E3%81%8C%E5%BC%95%E7%94%A8%E7%AC%A6%E3%81%A7%E5%9B%B2%E3%81%BE%E3%82%8C%E3%81%A6%E3%81%84%E3%81%AA%E3%81%84%E3%81%93%E3%81%A8%E3%81%AB%E3%82%88%E3%82%8B%E6%A8%A9%E9%99%90%E6%98%87%E6%A0%BC%E3%81%AE%E5%95%8F%E9%A1%8C%E3%81%A8%E5%AF%BE%E5%BF%9C.pdf
https://www.istinc.co.jp/dl/jpc/DLL%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%81%AE%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF%E3%81%8A%E3%82%88%E3%81%B3%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB%E3%83%95%E3%82%A9%E3%83%AB%E3%83%80%E3%81%AE%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E6%A8%A9%E9%99%90%E3%81%AB%E9%96%A2%E3%81%99%E3%82%8B%E5%95%8F%E9%A1%8C%E3%81%A8%E5%AF%BE%E5%BF%9C.pdf

History

Wed, 05 Aug 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 05 Aug 2026 10:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Integrated Systems Technologies, Inc. Integrated Systems Technologies, Inc. netkids Imark
Vendors & Products		Integrated Systems Technologies, Inc. Integrated Systems Technologies, Inc. netkids Imark

Wed, 05 Aug 2026 06:45:00 +0000

Type	Values Removed	Values Added
Title		Authenticated Arbitrary Code Execution via Unquoted Search Path in NetKids iMark

Wed, 05 Aug 2026 05:30:00 +0000

Type	Values Removed	Values Added
Description		NetKids iMark, provided by Integrated Systems Technologies, Inc., contains an Unquoted Search Path or Element vulnerability (CWE-428). An authenticated attacker may exploit this vulnerability to execute arbitrary code with SYSTEM privileges.
Weaknesses		CWE-428
References		https://jvn.jp/en/jp/JVN28045338/ https://www.istinc.co.jp/dl/jpc/%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%E3%81%AE%E5%AE%9F%E8%A1%8C%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%83%91%E3%82%B9%E3%81%8C%E5%BC%95%E7%94%A8%E7%AC%A6%E3%81%A7%E5%9B%B2%E3%81%BE%E3%82%8C%E3%81%A6%E3%81%84%E3%81%AA%E3%81%84%E3%81%93%E3%81%A8%E3%81%AB%E3%82%88%E3%82%8B%E6%A8%A9%E9%99%90%E6%98%87%E6%A0%BC%E3%81%AE%E5%95%8F%E9%A1%8C%E3%81%A8%E5%AF%BE%E5%BF%9C.pdf https://www.istinc.co.jp/dl/jpc/DLL%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%81%AE%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF%E3%81%8A%E3%82%88%E3%81%B3%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB%E3%83%95%E3%82%A9%E3%83%AB%E3%83%80%E3%81%AE%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E6%A8%A9%E9%99%90%E3%81%AB%E9%96%A2%E3%81%99%E3%82%8B%E5%95%8F%E9%A1%8C%E3%81%A8%E5%AF%BE%E5%BF%9C.pdf
Metrics		cvssV3_0 `{'score': 6.7, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}` cvssV4_0 `{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}`

Subscriptions

Integrated Systems Technologies, Inc. Netkids Imark

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2026-08-05T04:26:13.962Z

Updated: 2026-08-05T16:07:55.322Z

Reserved: 2026-07-28T05:10:33.727Z

Link: CVE-2026-66839

Vulnrichment

Updated: 2026-08-05T16:07:52.692Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-05T10:18:35Z

Weaknesses

CWE-428

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact total

Subscriptions

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